Enum ProviderEvent 

pub enum ProviderEvent {
    MessageStart,
    TextDelta(String),
    ThinkingDelta(String),
    ToolCall(ToolCall),
    MessageStop {
        stop_reason: StopReason,
        usage: Option<TokenUsage>,
        model: Option<String>,
    },
}

One unit of incremental output from a streaming completion.

Variants

MessageStart

Marker emitted before any content.

TextDelta(String)

Incremental text chunk to append to the in-flight assistant message.

ThinkingDelta(String)

Incremental reasoning chunk from a thinking-capable model.

ToolCall(ToolCall)

Fully-assembled tool call from the assistant (providers buffer streamed JSON internally).

MessageStop

Final marker carrying the stop reason and (optional) usage.

Fields

stop_reason: StopReason

usage: Option<TokenUsage>

model: Option<String>

Trait Implementations

impl Clone for ProviderEvent

fn clone(&self) -> ProviderEvent

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ProviderEvent

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ProviderEvent

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ProviderEvent

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.